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-   -   Difficulty in receiving calls from specific Sipbroker PSTN Gateways (http://forum.sipbroker.com/showthread.php?t=2088)

bpere 08-11-2007 05:05 PM

Difficulty in receiving calls from specific Sipbroker PSTN Gateways
 
Hi,

Since some time I have not been able to receive calls from the following Sipbroker PSTN gateways: +32-2-747-0020 (hosted by Packetnet) and +55-21-3521-2840 (hosted by Voipsharing). My phone rings and there is no audio after picking up the call. I have tested the new Italian gatways and several of the other remaining Belgian gateways, and they work OK. All other functions such as incoming calls via DID's, outgoing calls (I'm using Voipcheap) work fine and have excellent quality. I have a Siemens 450IP. It would be really nice if I could get the Brazilian gateway to work again, as I have family there and they were using it on a regular basis.

kurun 08-11-2007 05:56 PM

Quote:

Originally Posted by bpere (Post 11577)
Since some time I have not been able to receive calls from the following Sipbroker PSTN gateways: +32-2-747-0020 (hosted by Packetnet) and +55-21-3521-2840 (hosted by Voipsharing).

I have seen this problem in the past with calls using a Sipbroker access number to a Voxalot account.

A workaround which usually works is to use a second VSP registered in, or forwarded to the Voxalot account. I tested the first number using Voipcheap, dialed *010-xxxxxx# (my Vox number) and indeed the call is set-up to my Voxalot account, the phone rings but voice connection is not established.

I tried again two more times using two other VSPs forwarded to my Voxalot account and I could establish 2 way voice connection with no problem.

I suggest you try this, and it might be a good workaround until the issue is resolved by SipBroker and/or the VSP donating the access number.


_.

hust 08-12-2007 06:39 AM

Quote:

Originally Posted by kurun (Post 11580)
I tested the first number using Voipcheap, dialed *010-xxxxxx# (my Vox number) and indeed the call is set-up to my Voxalot account, the phone rings but voice connection is not established.

_.

I tested Sip Broker access number in Shanghai(+86-21-31001856) using my mobile this morning, the same thing. Only has ring, there is not any voice.

bpere 08-12-2007 07:55 AM

Quote:

Originally Posted by kurun (Post 11580)
A workaround which usually works is to use a second VSP registered in, or forwarded to the Voxalot account.
_.

I tried using my Sipphone number forwarded to Voxalot with the same result, however when I used my freedigits number I did get audio (albeit with a pretty long latency, which I suppose is normal considering that the audio has to cross the Atlantic twice in this test).

bpere 08-18-2007 05:49 PM

I noticed this thread didn't get any attention from Voxalot support :( , however I would like to know whether it is possible to avoid using the workaround described above, as the quality of the calls is not remotely comparable to the calls which go directly to my Voxalot account through the Voipsharing PSTN gateway mentioned in my previous post.

Any help would greatly be appreciated.

kurun 08-18-2007 09:34 PM

I find that the call quality is not impaired at all if the diversion is through a SIP account forwarded to or registered in Voxalot.
For example, set up FWD account, forwarded to sip:xxxxxx@Voxalot.com.
Call through SipBroker number to *393-xxxxxx


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